A freely moving piston divides a vertical cylinder

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A freely moving piston divides a vertical cylinder, closed at both ends, into two parts, each containing

1

mole of air. In equilibrium at

T_1=300\text{ K}

, the volume of the upper part is

V_1=4

times the volume of the lower part. At what temperature will the ratio of these volumes be

V_2=2

? (a)

750\text{ K}

(b)

850\text{ K}

(c)

950\text{ K}

(d)

650\text{ K}